Preparation 339
[化] 制剂339; 水杨酰苯胺
🧩 词语组成解析
🗣️ 情景例句
Her enthusiasm died away.
她的热情逐渐消失了。
I'd like to allow anyone to ask whatever questions they may have.
我乐意接受任何人提出的任何问题。
of a change of atmosphere, of a diversion of effort, is essential.
改变一下气氛，转移一下注意力，这是不可缺少的。